CommanderModernLegacyVintage
Result
Infinite ETB, Infinite LTB, Infinite death triggers, Infinite mill, Infinite sacrifice triggers, Infinite self-mill
Activate Altar of Dementia by sacrificing Gnarlbark Elm.
When Gnarlbark Elm dies, its undying ability triggers, returning it from your graveyard to the battlefield without a +1/+1 counter on it due to its replacement effect.
Resolve the Altar of Dementia ability
Repeat.
Component Cards
How It Works
1
Activate Altar of Dementia by sacrificing Gnarlbark Elm.
When Gnarlbark Elm dies, its undying ability triggers, returning it from your graveyard to the battlefield without a +1/+1 counter on it due to its replacement effect.
Resolve the Altar of Dementia ability
Repeat.